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3. (12 pts) a. A hydrocarbon is composed of 83.2 % C by mass and 16.8% H by mass. What is the empirical formula? b. The molar

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Ans & Given Hydrocarbon is composed 83.2 5. c by mass 16- 8*/ Hby May , what is the empirical formula: Hep by step follows Asconvelt moles (molal mass =12 moles a mass molas may H: molas mass : 1 ( 83.29 12 glmole = 6.933 mole d: 16.88 – 16.8 mole ③(4) write the emiphral formula cil H: 2.4 ie 12 ③ CH (215) = GHIL The molal mass is 42,15 g/mole Empeticel formula mass - 42

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